1 files changed, 28 insertions, 14 deletions

diff --git a/src/zencore/thread.cpp b/src/zencore/thread.cpp
index 9e3486e49..54459cbaa 100644
--- a/src/zencore/thread.cpp
+++ b/src/zencore/thread.cpp
@@ -133,7 +133,10 @@ SetCurrentThreadName([[maybe_unused]] std::string_view ThreadName)
 #elif ZEN_PLATFORM_MAC
 	pthread_setname_np(ThreadNameZ.c_str());
 #else
-	pthread_setname_np(pthread_self(), ThreadNameZ.c_str());
+	// Linux pthread_setname_np has a 16-byte limit (15 chars + NUL)
+	StringBuilder<16> LinuxThreadName;
+	LinuxThreadName << LimitedThreadName.substr(0, 15);
+	pthread_setname_np(pthread_self(), LinuxThreadName.c_str());
 #endif
 }  // namespace zen
 
@@ -233,12 +236,15 @@ Event::Close()
 #else
 	std::atomic_thread_fence(std::memory_order_acquire);
 	auto* Inner = (EventInner*)m_EventHandle.load();
+	if (Inner)
 	{
-		std::unique_lock Lock(Inner->Mutex);
-		Inner->bSet.store(true);
-		m_EventHandle = nullptr;
+		{
+			std::unique_lock Lock(Inner->Mutex);
+			Inner->bSet.store(true);
+			m_EventHandle = nullptr;
+		}
+		delete Inner;
 	}
-	delete Inner;
 #endif
 }
 
@@ -351,7 +357,7 @@ NamedEvent::NamedEvent(std::string_view EventName)
 	intptr_t Packed;
 	Packed = intptr_t(Sem) << 32;
 	Packed |= intptr_t(Fd) & 0xffff'ffff;
-	m_EventHandle = (void*)Packed;
+	m_EventHandle		  = (void*)Packed;
 #endif
 	ZEN_ASSERT(m_EventHandle != nullptr);
 }
@@ -372,7 +378,9 @@ NamedEvent::Close()
 #if ZEN_PLATFORM_WINDOWS
 	CloseHandle(m_EventHandle);
 #elif ZEN_PLATFORM_LINUX || ZEN_PLATFORM_MAC
-	int Fd		  = int(intptr_t(m_EventHandle.load()) & 0xffff'ffff);
+	const intptr_t Handle = intptr_t(m_EventHandle.load());
+	const int	   Fd	  = int(Handle & 0xffff'ffff);
+	const int	   Sem	  = int(Handle >> 32);
 
 	if (flock(Fd, LOCK_EX | LOCK_NB) == 0)
 	{
@@ -388,11 +396,10 @@ NamedEvent::Close()
 		}
 
 		flock(Fd, LOCK_UN | LOCK_NB);
-		close(Fd);
-
-		int Sem = int(intptr_t(m_EventHandle.load()) >> 32);
 		semctl(Sem, 0, IPC_RMID);
 	}
+
+	close(Fd);
 #endif
 
 	m_EventHandle = nullptr;
@@ -481,9 +488,12 @@ NamedMutex::~NamedMutex()
 		CloseHandle(m_MutexHandle);
 	}
 #elif ZEN_PLATFORM_LINUX || ZEN_PLATFORM_MAC
-	int Inner = int(intptr_t(m_MutexHandle));
-	flock(Inner, LOCK_UN);
-	close(Inner);
+	if (m_MutexHandle)
+	{
+		int Inner = int(intptr_t(m_MutexHandle));
+		flock(Inner, LOCK_UN);
+		close(Inner);
+	}
 #endif
 }
 
@@ -516,7 +526,6 @@ NamedMutex::Create(std::string_view MutexName)
 	if (flock(Inner, LOCK_EX) != 0)
 	{
 		close(Inner);
-		Inner = 0;
 		return false;
 	}
 
@@ -583,6 +592,11 @@ GetCurrentThreadId()
 void
 Sleep(int ms)
 {
+	if (ms <= 0)
+	{
+		return;
+	}
+
 #if ZEN_PLATFORM_WINDOWS
 	::Sleep(ms);
 #else